Hoisting device.



' j PATENTBD MAR. 19,1907.

5 SHEETB-SHHET 1 npentoz v 51mm,

G.,F. KOBNIG. HOISTING DEVICE. APPLICATION FILED 001' 8 1906 I/Moose;

y I v I I a 1n: NORRIS PET No. 847,667. 1 v 'IATENTED MAR.19,1907..

G. P. YKOENIG. HOISTING DEVICE.

APPLICATION FILED 00T.8, 1906.

. 6 SHEETS-BHEBT 3.

A 5% Q v I wf 1n: NORRIS PETERS cm, WASHINGTON. l7. c2

. PATENTED MAR. 19, 1907. G. F. KOENIG. HOISTING} DEVICE. APPI-IQATIONFILED 001 28. 1906- '6 SHEETS-SHEET 3 Wit" wow ms NORRIS PE7ERS 0a.,wAsuma'rcn. n. c:

PATBNTED MAR. 19, 1907. -G. P. KOENIG. HOISTING DEVICE. I APPLICATIONFILED 00m. 1906.

' v mum's-sum 4. v 6'2 1 .29 4.. v

1n: NORRIS FETERS cal, WAsHINGTON, n. c.

PATENTED MAR. T931907. G. F. KOENIG.

HOISTING DEVICE. APPLICATION FILED 00 '1na, 1soe.

UNTT I: STATES 'TnT Tries.

GEORGE F. KOENIG, OF LE SUEUR, MINNESOTA. I

HOISTING DEVICE.

N0. 847,667. Specification of Letters Patent. Patented March 19, 1907. 7Application filed October 3, Serial 1 To all whom it may concern.-consisting of a rear axle 5, mounted on Be it known that I, GEORGE F.KOENIG, a wheels 6, and front axle 7, mounted on citizen of the UnitedStates, residing at Le wheels 9 and pivoted, by means of a king- Sueur,in the county of Lesueur and State of bolt 10, to said front transversebeam 4, the 60 Minnesota, have invented certain. new and l saidking-bolt passing through central vertiuseful Improvements in HoistingDevices, of cal perforations in said transverse beam and which thefollowing is a specification. axle 7, its lower end protruding somewhatbe- My invention has relation to new and uselow the face of said axleand passing through ful Improvements in hoisting-machines, and the frontperforated end of a reach-support 6 while it is primarily intended andis espe- 11, secured to the lower and inner faces, recially designed tohoist soil, gravel, and maspectively, of said axle 7 and beam 4. Movnureit may be used in all cases where hoistable reaches 12 are removablysecured at ing is to be done. their rear ends to said rear axle 5 andare re- The object of my invention is the producmovably secured at theirfront ends to said 70 5 tion of a machine of this character that mayreach-support 11 by a pin 13 or other equivabe easily moved from placeto place, made lent means. stationary, and serve any of the functionsex- A platform 14, provided with two cenpected of a machine of thischaracter in an trally-located trap-doors and 16, is adexpedient andimproved manner, the majustably suspended from the frame of my in- 75 2ochine being very simple and very substantial vention, said platformbeing constructed of in construction. I plank or other suitable materialof sufficient In the accompanying drawings, in which strength to supporta load for a three-horse like parts are designated by like charactersteam. Said platform is provided at its sides I throughout the severalviews, Figure 1 is a with longitudinal beams 17 and at its front 80 sideelevation of my invention. Fig. 2 is a and rear ends with transversebeams 18, top plan view out on the line X X of Fig. 1. which arepreferablv secured at their ends to Fig. 3 is a vertical longitudinalsectional the tops of said beams 17. Secured to the view. Fig. 4 is arear end view, the bucket outer faces of said beams 17 intermediate ofand means for suspending same removed. their lengths are bearings 19, inwhich are 8 0 Fig. 5 is a detail view of my invention, showjournaledpulleys 20, and secured to the ends ing a transverse section of theplatform with of the rearmost of said doors, near its inner part brokenaway, one of the top braceside edge, are bearings 21, in which arejourbeams of the frame, part broken away, one of naled pulleys 22.Journaled in suitable the guard-dogs employed to guard against bearings23, secured to the under sides of said 90 5 accidental dropping of theplatform when longitudinal side beams 17, adjacent the end raised, andpart of the means for operating edges of the rearmost ofsaid trap-doors,are and controlling said guard-dog. Fig. 6 is a pulleys 24, which are inhorizontal alinement bottom plan view of the platform. Fig. 7 is withsaid pulleys 20 and 22. Said trapan enlarged bottom plan view of asectionof doors 15 and 16 are each secured near their 5 0 the platform.Fig. 8 is a side edge view of side edges to suitable transverse rods 25,the the platform shown partly in section, showouter ends of which workin corresponding ing the trap-doors open and the arrangement lateralperforations in the longitudinal side of the pulleys and chains foropening and beams 17 of said platform 14. Journaled in closing saiddoors. corresponding lateral perforations in said too My invention isdescribed as follows: longitudinal side beams 17 adjacent the Thenumeral 1 represents my invention, outer side of the rearmost of saidtrap-doors, which consists of a frame comprising four or is a transverserock-shaft 26, provide d with a more vertical beams 2-, secured togetherat lever 27 at one end. Secured to the bottom their upper ends bylongitudinal side beams of said platform near the corner adjacent said8. The lower ends of the foremost of said rock-shaft and lever is alongitudinal block vertical beams are connected by a transverse 28, andsecured at one end to the inner side of beam 4. The frame is ofsufficient height said block and at its opposite end to said and widthto allow a three-horse team to I rock-shaft 26 is a spring 29, thefunction of is elevated in the manner hereinafter deat its outer endwith a bearing 30, in which is scribed. Said frame is mounted on a truckl journaled a pulley 31. Working laterally pass under a platform thereofwhen the same which will be shown. Said block is provided 1 1 othroughthe outer part of said bearing is the inner eyed end of a transversecont-rollingrod 32, the outer free end of which works through acorresponding lateral perforation in the adjacent side beam 17 of saidplatform 14 and is adapted to engage the under side of said lever 2 7.Said controlling-rod 32 is provided with a coil-spring 33 and hassecured in its inner eyed end one end of a cord or rope 34, which worksover said pulley 31. Hinged at their outer ends to the inner faces ofsaid side beams 17, near their rear ends, are plates 35, and secured tothe inner perforated ends of said plates are the ends of snort ropes orcables 36, bent in the form of loops, which i are adapted to hook overpins 37, extending upward from the periphery of said ro'cleshaft 26.Secured to the ends of the foremost of said trap-doors, near its innerside, by staples 38 or other equivalent means are the inner ends ofchains 39. Said chains pass up over said pulleys 20, journal'ed near theinner faces of said side beams 17 of the platform, thence downward undersaid pulleys 22, journaled to the ends of said door 16, thence upwardover pulleys 24, journaled to the under sides of said side beams 17,thence horizontally rearward between said plates 35 and guide wires orbars 40, two secured around and near each end of the rearmost of saidtransverse rods 25 at their inner turned e1;ds and hooked over the topsof bearings 41, secured to the under faces of said side beams 17 neartheir rear ends, and thence upward and are wound around a transverseshaft 42, journaled in bearings 43, secured to the rear edges of theinnermost of said vertical beams 2. Said shaft is provided'at its frontend with a ratchet 44. Said ratchet is controlled by a dog 45, fulcrumedat its inner end to the outer side of the adjacent vertical beam 2. Acrank of any suitable construction may be employed to put said shaft 42in rotation, when the chains wind around said shaft and operate to closethe trap-doors 15 and 16. The operator then pulls down on the free endof said lever 27, which effects a partial rotation of said rock-shaft-26, causing the cords or ropes 36 to wind around same and throw the saidclutches in engagement with said chains 39, which prevent said chainsfrom slipping back or forth. Before throwing the free end of said lever27 down to its lowest posiim it is necessary that the operator pull onthe free end of said rope or cord 34 and draw the controlling-rod 32inward out of tlie path of the lever. When the free end of the lever isthrown down to its lowest capacity, the operator releases the cordorrope 34, when the contraction of said coilsprir,g 33, secured aroundsaid controlling-rod 32, throws the same outward in its normal position,its outer end engaging with the upper side of said lever, holding it inits last position.

To open the trap-doors, the operator pulls on the free end of said rope34, which releases the outer end of said controlling-rod 32 fromengagement with said lever 27, when the action 01' said spring 29effects a partial l rotation of said rock-shaft 26, releasing therclutches 35, through the medium ol said said short ropes or cables 36,from engagement with said chains 39, the weight of said trap-doorscausing them to open. Said platform 14 is provided on its upper lace,near its rear side, with a dash 46. Said platform 14 is raised orlowered by means of four chains 47, two of which are secured to staples48, secured in the upper laces and near the front ends of said sidebeams 17, pass upward over pulleys 49, journaled in suitable bearing 50,secured on the tops and near the ends of the foremost of two or moretransverse strengthening-beams 51, secured on the tops and near the endsof said longitudinal beams 3, thence horizontally rearward over pulleys52, journaled in suitable bearings 53, secured on the top and near theends of the rearmost of said transverse bracebeams 51, and thencedownward and wind around a main shaft 54, journaled near its ends inbearings 55, secured to the outer edges and near the lower ends of therearmost of said vertical beams 2 and near its central part in bearings56, secured to the outer edges and near the lower ends of two centralvertical braces 57, secured at their lower ends to said rear axle 5 andat their upper ends to the rearmost of said transversestrengthening-beams 51. The other two chains are secured at their innerends to staples 58, secured in the upper faces and near the rear ends ofsaid side beams 17, pass upward over pulleys 59, journaled in suitablebearings 60, secured on the top and rearmost of said transversestrengtheningbeams 51, inward and adjacent said bearings 53, and thencedownward and also wind, around said main shaft 54. Horizontal rods 61,terminating in forks 62 at their rear ends, are secured at their frontends to the tops of said bearings 50, secured to the top of I l theforemost of said transverse strengtheningbeams 51 and at their forkedtops of adjacent bearings 53 and 60, secured to the top of the rearmostof said bracebeams 51. Said main shaft 54 is provided intermediate ofits length and between said vertical braces 57 with a circular enlargement or drum 63, to which is secured one end of a draft rope or cable64, adapted to wind and unwind around said drum. \Vheu in use, the saiddraft rope or cable works between a guide, which preferably consists oftwo vertical rollers 65, secured nearly I contiguous between the outerends of l curved bars 66, secured at their inner ends l to the outersides of said vertical braces 57. Said main shaft 54 is provided nearits front end with a ratchet 67, adapted to be engaged ends to theadjustably secured to by a dog 68, fulcrumed at its inner end to l theouter side of the adjacent vertical beam l of said beams 2. Verticalplates 69, provided with elongated perforations 70, are the inner edgesof said vertical beams 2. They are lowered to the ground when themachine is in operation and serve to anchor the machine and hold theplatform 14 in position. It will be obvious that said elongatedperforations or slots facilitate the raising or lowering of the plates.Secured in the outer sides of said vertical beams 2, immediately underand in parallel apposition with said side beams 3, are longitudinalbeams 71, and secured vertically to said beams 3 and 71 are bearings 72,in the lower ends of which are journaled horizontal rock-rods 73, one ofwhich termi nates at its extreme rear end in an eyed arm 74 and theother in a handle 75, carrying an integral inwardly-extending eyed arm76. Secured at its ends in the eyes of said eyed arms 74 and 76 of saidhorizontal rock-rods 73 is an oblique transverse connecting-rod 77. Saidrod 77 is provided with an eyed extension 78, in which is secured oneend of a coil-spring 79, secured at its opposite end to the outer edgeof the adjacent vertical beam 2. Said rock-rods 73 are provided neartheir ends with vertical links 80, which are secured at their lower endsbetween the sides and near the outer ends of transverse guard-dogs 81,having secured between their their sides and near their inner ends thelower ends of substantially vertical connect ing-rods 82, suspended attheir upper ends from supports 83 in the nature of rods bent partiallyaround said longitudinal beams 3. Said connecting-rods 82 are suspendedfrom said supports in such a manner that their lower ends aresusceptible of oscillation, the purpose of which will be shown. hen inits normal position the free end of the handle 75 engages with ahorizontal rearwardlyextending catch 84 of a transverse plate 85,secured to the outer edge of the beam of said vertical beams 2 adjacentsaid handle. In this position the guard-dogs 81 are thrown outwardsufficiently (see dotted lines, Fig. 5) to admit the passage of theplatform 14 when hoisted. The free end of the handle 75 is then releasedfrom its engagement with said catch 84, when the action of said spring79, through the medium of said transverse oblique connecting-rod 77 andsaid horizontal rock-rods 73, operates to throw said guard-dogs 81inward, the inner ends of which engage with the under side of saidplatform 14 and dropping of the same.

My invention is a so equipped at its rear end with a rope or cable 86,which is secured to and wound around said main shaft 54 at one end,passes upward over a pulley 87, removably secured in guard againstaccidental the rear end of a rear wardly-extending support 88, securedat its inner end to the rear end of the machine in any desired manner,and has secured to its opposite end abucket 89 of ordinary constructionloaded with re ck or some other heavy material. The bucket of rock orother material serves to partly counterbalance the weight of theplatform, so that when the same is unloaded and allowed to descend tothe ground it will do so with a predetermined and uniform velocity. Atread-lever 90 is fulcrumed at its inner end. to said rear axle 5 and ispro-' vided with a chain 91., which is secured to said axle immediatelyabove the inner end of said lever, passes over a pulley 92, rigidlyconnected to said main shaft 54 near its front end, and is secured tosaid lever at its free end.

Said machine is also preferably equipped at each upper corner with anoblique brace 95, which are secured at their upper ends to the outersides of said side beams 3 and at their lower ends to the outer sides ofsaidvertical beams 2 and at its rear lower part with oblique braces 96,which are secured at their lower ends to the upper face of said rearaxle 5 and at their upper ends to the inner sides of the rearmost ofsaid vertical beams 2.

The operation of my device is as follows: The machine is placed wherethere is material to be hoisted and the reaches 12 removed. The platformis then lowered to the ground to receive the material to be hoisted,which may be drawn on the platform by scrapers of any desiredconstruction. When the platform is sufficiently loaded, the main shaft54 is put in rotation by a crank or other equivalent means. When themachine is operated without horse-power, a team is hitched to the freeend of said draft-rope 64, secured to said drum 63, and draws away fromthe machine, which operation effects the rotation of said main shaft andelevates the platform. When the platform is raised to the proper height,the ratchet 67, secured on the front en of said shaft, and dog 68 arethrown in engagement and hold the main shaft against reverse rotationand consequent dropping of the platform. To further guard against thedropping of the platform, the guard-dogs 81 may be thrown in engagementwith the under side of the platform in the manner above described. Thevehicle to receive the load is then driven under the platform, when thetrap-doors are opened and the load dropped. The doors are then lookedagain and the guard dogs thrown out of engagement with the platform,when the same is permitted to descend to the ground with a velocitycontrolled by the bucket 89 and its lo ad. Should the operator desirethe platform to descend to the ground at a slower velocity than usualwhen attained "hrough the agency of the loaded bucket 89, rope or cable86, and pulley 87, the tread-lever may be employed.

, secured-at its inner end to Having described my invention, what Iclaim as new, and desire to secure by Letters Patent, is

1. In a hoisting-machine, the combination of a truck; movable reaches,removably secured to the axles of said truck; main frame, consisting ofvertical beams and a transverse beam at its front end, mounted on saidtruck; a platform, having side and end beams; doors, hinged in saidplatform; a rock-shaft, having extending from its periphery, near itsends,two pins, journaled in the side beams of said platform, adjacentthe outer side of the rearmost of-said trap-doors a lever, secured tosaid rock-shaft near one end thereof; a block, secured longitudinally tothe bottom of said platform, near the corner thereof ad jacent saidlever and rockshaft; a spring, the peripher of said rock-shaft, and atits opposite end to one sideof said block; a bearing, secured to theouterend of said block; a pulley, journaled in said bearing; atransverse controlling-rod, its inner end working through said bearing,and its opposite end through one of the side beams of said platform,near its rear end, and adapted to engage with saidlever; a rope, securedat one end in the inner end of said controlling-rod and working oversaid pulley; plates, hinged longitudinally at their rear ends to theside beams of said platform; loops, secured in the free ends of saidplates, and hooking over said pins of said rock-shaft guide-wires, twosecured near the inner face and rear end of each of said side beams ofsaidplatform, immediately over said plates; a transverse shaft,journaled to the rearmost of said vertical beams of said main frame;means for rotating and controlling said shaft; chains, secured at theirinner ends to the ends ofthe foremost of said trap-doors, passingrearward over pulleys j ournaled near the inner faces of the side beamsof said platform, then downward under pulleys journaled near the ends ofthe rearmost of said trap-doors, thence over pulleys journaled near theends of the 'rearmost of said trap-doors, thence rearward between saidclutches and said guidewires, and thence upward, winding around saidtransverse shaft; a main shaft, j ournaled near the rear end of saidmachine, under said transverse shaft; chains, two secured at their frontends to the side beams of said, platform neartheir front ends, passingupward over pulleys journaled over the top and near the front end ofsaid frame, thence rearward over pulleys j ournaled over the top andnear the rear end of said frame, and thence downward, winding aroundsaid main shaft, and two secured to'the side beams of said platformneartheir rear ends, passing upward overipulleys journaled over the topand near the rear end of said frame, and

thence downward, winding around said main shaft; drum, secured on saidmaincshaft in- I the rotation of termediate of its length; a guide,consisting of two vertical rollers, secured near the rear end of saidmachine rearward of and opposite said drum; a draft-rope, secured at oneend to said drum and working between said guide; a pulley, secured onsaid main shaft near its front end; a tread-lever, fulcrumed at itsinner end to the rear axle of said truck, immediately under saidlast-mentioned pulley; a chain, secured to the free end of saidtreadlever, passed over said pulley and secured to said rear axle at itsopposite end; vertical plates, having elongated perforations, adjustablysecured to the vertical beams of said frame; horizontal rock-rods, oneterminating at its rear end in an eyed arm and the other in a handlecarrying an eyed arm, journaled near the upper end of said frame; atransverse connecting-rod, connecting the rear ends of said rock-rods acoil-spring, secured at one end near the rear end of saidconnecting-rod, and at its opposite end to one of the vertical beams ofsaid frame; transverse guard-dogs, connected at their outer ends to saidrock-rods, their inner ends held in movable suspension, the inner endsof said guard-dogs adapted to engage with the side beams of saidplatform when hoisted, substantially as shown and described.

2. Ina hoisting-machine, the combination of a truck; movable reaches,removahly cured to the axles of said truck main frame, securely mountedon said truck; a platform, having side beams and trai'isverse end beams;trap-doors, hinged in said platform; means for opening and closing saidtrap-doors; a main shaft, journaled, near the rear end of said machine;chains, two secured. at their front ends to the side beams of said platform, passing over pulleys journaled near the front end and over the topof said frame, thence horizontally rearward over pulleys j ournaled overthe top and near the rear end of said frame, and thence downward,winding around said main shaft, and two secured to the side beams ofsaid platform near their rear ends, passing up over pulleys journaledover the top and near the rear end of said frame, and thence downward,winding around said main shaft; means for effecting said main shaft;means for holding said main shaft against reverse rotation when saidplatform is hoisted; means for anchoring said machine in position.horizontal rock-rods, one terminating at its rear end in an eyed arm andthe other in a handle carrying an eyed arm, journaled near the upper endof said frame; a transverse connect in g-rod connecting the rear ends ofsaid rockrods; a coil-spring, secured at its inner end near the rear endof said connecting-rod and at its opposite end to one of the verticalbeams of said frame; transverse guard-dogs, connected at their outerends to said rocle, rods, their inner ends held in movable suspension; arearwardly-extending support, secured to said machine at its rear end; apulley, secured to the upper free end of said support; a cable, securedto said main shaft at one end and passing over said pulley, and a bucketloaded with rock or other such material, secured to the free end of saidcable, substantially as shown'and described.

3. In a hoisting-machine, the combination of a truck; movable reaches,connecting with the axles of said truck; main frame, securely mounted onsaid truck; a platform having side and end beams; trap-doors, hinged insaid platform; means for opening and closing said trap-doors; a mainshaft journaled near the rear end of said machine; chains, two securedat their front ends to the side beams of said platform, passing overpulleys journaled near the front end and over the top of said. frame,thence rearward over pulleys journaled over the top and near the rearend of said platform, and thence downward, winding around. said mainshaft, and two secured to the side beams of said platform near theirrear ends, passing up over pulleys journaled over the top and near therear end of said frame, and thence downward, winding around said mainshaft; means for effecting the rotation of said holding said main shaftagainst reverse rotation when said platform is hoisted; means foranchoring said machine in position; horizontal rock-rods, oneterminating at its rear end in an eyed arm and the other in a handlecarrying an eyed arm, journaled near the uper end of said frame; atransverse connectlng-rod, connecting the rear ends of said rock-rods; acoil-spring, secured at one end to said comiecting-rod near its rearend, and at its 0 posite end to said frame; transverse guardogs,connected at their outer ends to said rock-rods, their inner end held inmovable suspension, with means for maintaining a uniform velocity ofsaid platform when descending, substantially as shown and described.

4. In a hoisting-machine, the combination of a truck; movable reaches,connecting wit the axles of said truck; main frame, mounted on saidtruck; a platform, having side and end beams; trap-doors, hinged in saidp1atform; means for opening and closing said trap-doors; a main shaft,journaled near the rear end of said machine; chains, two secured attheir front ends to the side beams of said platform, passing overpulleys journaled main shaft; means for l over the top and near thefront end of said frame, thence rearward over pulleys journaled over thetop and near the rear end of sa (1 frame, and thence downward, windingaround said main shaft, and two secured to the side beams of saidplatform near their rear ends, passing up over pulleys journaled overthe top and near the rear-end of said frame, and thence downward,winding around said main shaft; means for effecting the rotation of saidmain shaft; means for holding said main shaft against reverse rotationwhen said platform is hoisted; vertical plates, having elongatedperforations, secured to said frame and adapted to anchor it inposition; means for guarding against accidental dropping of the latformwhen hoisted, with means for maintaining a uniform velocity of saidplatform when ascending, substantially as shown and described.

5. In a hoisting-machine the combination of a truck; main frame, mountedon said truck; a platform; trap-doors, hin ed in said platform; meansfor opening and c osing said tra -doors; means for raising and loweringsai platform; means for anchoring said machine in position; means forguarding against accidental dropping of the platform when hoisted, withmeans for maintaining a uniform velocity of said platform whendescending, substantially as shown and described.

6. In a hoisting-machine, the combination of a truck; main frame,mounted on said truck; a platform; trap-doors, hin ed in said platform;means for opening and c osing said trap-doors; means for raising andlowering said platform; means for anchoring said machine in position;means for guarding against accidental dropping of said platform whenhoisted, substantially as shown and described for the purposes setforth.

7. In a hoisting-machine, the combination of a truck; main frame,mounted on said truck; a platform; trap-doors, hinged in said platform;means for raising and lowering said platform with means for anchoringsaid machine in position, substantially as shown and described and forthe purposes set forth.

Intestimony whereof 1 have signed my name to this specification in thepresence of two subscribing witnesses.

GEORGE F. KOENIG.

Witnesses:

J. A. ANDEREGG, FRED CADWELL.

